-9.05% is the change from 630 to 573
Calculation steps:
[( 573 - 630 ) ÷ 630] x 100 = -9.05%
Formula
Percentage change = [(573 - 630) / 630] x 100
Subtract the new number by the original number
573 - 630 = -57
-57 ÷ 630 = -0.09047619047619047
-0.09047619047619047 x 100 = -9.05%